<?php


namespace wchat\wx;


use Kiri\Client;
use wchat\common\Result;

class Token extends SmallProgram
{

	/**
	 * @return Result
	 */
	public function token(): Result
	{
		$query = [
			'grant_type' => 'client_credential',
			'appid'      => $this->config->getAppid(),
			'secret'     => $this->config->getAppsecret()
		];
		$client = new Client('api.weixin.qq.com', 443, true);
		$client->withHeader(['Content-Type' => 'application/json']);
		$client->get('cgi-bin/token', $query);
		$client->close();
		if (!in_array($client->getStatusCode(), [101, 200, 201])) {
			return new Result(code: 505, message: 'network error.');
		}
		$body = json_decode($client->getBody(), true);
		if (isset($body['errcode']) && $body['errcode'] != 0) {
			return new Result(code: $body['errcode'], message: $body['errmsg']);
		}
		return new Result(code: 0, data: $body);
	}


}